Home / 388,022,813.80-582,034,220.70-337,004,477.80

Finding the Fourth Proportional to 388,022,813.80, 582,034,220.70 and 337,004,477.80

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Solution

The fourth proportional to 388,022,813.80, 582,034,220.70 and 337,004,477.80 is: 505,506,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,022,813.80 : 582,034,220.70 = 337,004,477.80 : x
  2. Step 2: Convert to fraction form
    388,022,813.80/582,034,220.70 = 337,004,477.80/x
  3. Step 3: Cross multiply
    388,022,813.80x = 582,034,220.70 × 337,004,477.80
  4. Step 4: Simplify right side
    388,022,813.80x = 196,148,138,608,733,472
  5. Step 5: Solve for x
    x = 196,148,138,608,733,472/388,022,813.80
  6. Step 6: Final answer
    x = 505,506,716.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.